Jumps just doing and X axis movement instead a parable movement, they are not doing the same that the parable movement animation, that mean a tiny rock can you stop on the air, also you eat all AoE even you are not walking on them.
Also, for example, in frontline if you jump on a player and he hides behind a wall, if the jump encounters a wall not do that abrupt animation to the floor but a small knockback of 30% of the path traveled with a good animation for example! something better than now pls :)
Ilustration: http://oi57.tinypic.com/2j4zloz.jpg